nextpnr/ecp5/trellis_import.py
David Shah 9e06954edb ecp5: Improving SLICE bel
Signed-off-by: David Shah <davey1576@gmail.com>
2018-07-12 10:09:56 +02:00

702 lines
26 KiB
Python
Executable File

#!/usr/bin/env python3
import pytrellis
import database
import argparse
location_types = dict()
type_at_location = dict()
tiletype_names = dict()
parser = argparse.ArgumentParser(description="import ECP5 routing and bels from Project Trellis")
group = parser.add_mutually_exclusive_group()
group.add_argument("-b", "--binary", action="store_true")
group.add_argument("-c", "--c_file", action="store_true")
parser.add_argument("device", type=str, help="target device")
parser.add_argument("outfile", type=argparse.FileType('w'), help="output filename")
parser.add_argument("-p", "--portspins", type=str, help="path to portpins.inc")
args = parser.parse_args()
def is_global(loc):
return loc.x == -2 and loc.y == -2
# Get the index for a tiletype
def get_tiletype_index(name):
if name in tiletype_names:
return tiletype_names[name]
idx = len(tiletype_names)
tiletype_names[name] = idx
return idx
portpins = dict()
loc_wire_indices = dict()
loc_wires = dict()
loc_bels = dict()
wire_bel_pins_uphill = dict()
wire_bel_pins_downhill = dict()
# Import all wire names at all locations
def import_location_wires(rg, x, y):
loc_wire_indices[x, y] = dict()
loc_wires[x, y] = list()
wire_bel_pins_uphill[x, y] = list()
wire_bel_pins_downhill[x, y] = list()
rtile = rg.tiles[pytrellis.Location(x, y)]
for wire in rtile.wires:
name = rg.to_str(wire.key())
idx = len(loc_wires[x, y])
loc_wires[x, y].append(name)
loc_wire_indices[x, y][name] = idx
wire_bel_pins_uphill[x, y].append([])
wire_bel_pins_downhill[x, y].append([])
# Take a RoutingId from Trellis and make into a (relx, rely, name) tuple
def resolve_wirename(rg, rid, cur_x, cur_y):
if is_global(rid.loc):
return (cur_x, cur_y, rg.to_str(rid.id))
else:
x = rid.loc.x
y = rid.loc.y
widx = loc_wire_indices[x, y][rg.to_str(rid.id)]
return (x - cur_x, y - cur_y, widx)
loc_arc_indices = dict() # Map RoutingId index to nextpnr index
loc_arcs = dict()
# Import all arc indices at a location
def index_location_arcs(rg, x, y):
loc_arc_indices[x, y] = dict()
loc_arcs[x, y] = list()
rtile = rg.tiles[pytrellis.Location(x, y)]
for arc in rtile.arcs:
idx = len(loc_arcs[x, y])
trid = arc.key()
loc_arcs[x, y].append(trid)
loc_arc_indices[x, y][trid] = idx
def add_bel_input(bel_x, bel_y, bel_idx, bel_pin, wire_x, wire_y, wire_name):
bel_pin = portpins[bel_pin]
loc_bels[bel_x, bel_y][bel_idx][2].append((bel_pin, (wire_x, wire_y, loc_wire_indices[wire_x, wire_y][wire_name])))
wire_bel_pins_downhill[wire_x, wire_y][loc_wire_indices[wire_x, wire_y][wire_name]].append((
(bel_x, bel_y, bel_idx), bel_pin))
def add_bel_output(bel_x, bel_y, bel_idx, bel_pin, wire_x, wire_y, wire_name):
bel_pin = portpins[bel_pin]
loc_bels[bel_x, bel_y][bel_idx][2].append((bel_pin, (wire_x, wire_y, loc_wire_indices[wire_x, wire_y][wire_name])))
wire_bel_pins_uphill[wire_x, wire_y][loc_wire_indices[wire_x, wire_y][wire_name]].append((
(bel_x, bel_y, bel_idx), bel_pin))
def add_slice(x, y, z):
idx = len(loc_bels[x, y])
l = ("A", "B", "C", "D")[z]
name = "SLICE" + l
loc_bels[x, y].append((name, "SLICE", []))
lc0 = z * 2
lc1 = z * 2 + 1
add_bel_input(x, y, idx, "A0", x, y, "A{}_SLICE".format(lc0))
add_bel_input(x, y, idx, "B0", x, y, "B{}_SLICE".format(lc0))
add_bel_input(x, y, idx, "C0", x, y, "C{}_SLICE".format(lc0))
add_bel_input(x, y, idx, "D0", x, y, "D{}_SLICE".format(lc0))
add_bel_input(x, y, idx, "M0", x, y, "M{}_SLICE".format(lc0))
add_bel_input(x, y, idx, "A1", x, y, "A{}_SLICE".format(lc1))
add_bel_input(x, y, idx, "B1", x, y, "B{}_SLICE".format(lc1))
add_bel_input(x, y, idx, "C1", x, y, "C{}_SLICE".format(lc1))
add_bel_input(x, y, idx, "D1", x, y, "D{}_SLICE".format(lc1))
add_bel_input(x, y, idx, "M1", x, y, "M{}_SLICE".format(lc1))
add_bel_input(x, y, idx, "FCI", x, y, "FCI{}_SLICE".format(l if z > 0 else ""))
add_bel_input(x, y, idx, "FXA", x, y, "FXA{}_SLICE".format(l))
add_bel_input(x, y, idx, "FXB", x, y, "FXB{}_SLICE".format(l))
add_bel_input(x, y, idx, "CLK", x, y, "CLK{}_SLICE".format(z))
add_bel_input(x, y, idx, "LSR", x, y, "LSR{}_SLICE".format(z))
add_bel_input(x, y, idx, "CE", x, y, "CE{}_SLICE".format(z))
add_bel_input(x, y, idx, "DI0", x, y, "DI{}_SLICE".format(lc0))
add_bel_input(x, y, idx, "DI1", x, y, "DI{}_SLICE".format(lc1))
if z == 0 or z == 1:
add_bel_input(x, y, idx, "WD0", x, y, "WD0{}_SLICE".format(l))
add_bel_input(x, y, idx, "WD1", x, y, "WD1{}_SLICE".format(l))
add_bel_input(x, y, idx, "WAD0", x, y, "WAD0{}_SLICE".format(l))
add_bel_input(x, y, idx, "WAD1", x, y, "WAD1{}_SLICE".format(l))
add_bel_input(x, y, idx, "WAD2", x, y, "WAD2{}_SLICE".format(l))
add_bel_input(x, y, idx, "WAD3", x, y, "WAD3{}_SLICE".format(l))
add_bel_input(x, y, idx, "WRE", x, y, "WRE{}_SLICE".format(z))
add_bel_input(x, y, idx, "WCK", x, y, "WCK{}_SLICE".format(z))
add_bel_output(x, y, idx, "F0", x, y, "F{}_SLICE".format(lc0))
add_bel_output(x, y, idx, "Q0", x, y, "Q{}_SLICE".format(lc0))
add_bel_output(x, y, idx, "F1", x, y, "F{}_SLICE".format(lc1))
add_bel_output(x, y, idx, "Q1", x, y, "Q{}_SLICE".format(lc1))
add_bel_output(x, y, idx, "OFX0", x, y, "F5{}_SLICE".format(l))
add_bel_output(x, y, idx, "OFX1", x, y, "FX{}_SLICE".format(l))
add_bel_output(x, y, idx, "FCO", x, y, "FCO{}_SLICE".format(l if z < 3 else ""))
if z == 2:
add_bel_output(x, y, idx, "WDO0", x, y, "WDO0C_SLICE")
add_bel_output(x, y, idx, "WDO1", x, y, "WDO1C_SLICE")
add_bel_output(x, y, idx, "WDO2", x, y, "WDO2C_SLICE")
add_bel_output(x, y, idx, "WDO3", x, y, "WDO3C_SLICE")
add_bel_output(x, y, idx, "WADO0", x, y, "WADO0C_SLICE")
add_bel_output(x, y, idx, "WADO1", x, y, "WADO1C_SLICE")
add_bel_output(x, y, idx, "WADO2", x, y, "WADO2C_SLICE")
add_bel_output(x, y, idx, "WADO3", x, y, "WADO3C_SLICE")
def add_pio(x, y, z):
idx = len(loc_bels[x, y])
l = ("A", "B", "C", "D")[z]
name = "PIO" + l
loc_bels[x, y].append((name, "PIO", []))
add_bel_input(x, y, idx, "I", x, y, "PADDO{}_PIO".format(l))
add_bel_input(x, y, idx, "T", x, y, "PADDT{}_PIO".format(l))
add_bel_output(x, y, idx, "O", x, y, "JPADDI{}_PIO".format(l))
def add_bels(chip, x, y):
loc_bels[x, y] = []
tiles = chip.get_tiles_by_position(y, x)
num_slices = 0
num_pios = 0
for tile in tiles:
tt = tile.info.type
if tt == "PLC2":
num_slices = 4
elif "PICL0" in tt or "PICR0" in tt:
num_pios = 4
elif "PIOT0" in tt or ("PICB0" in tt and "SPICB" not in tt):
num_pios = 2
for i in range(num_slices):
add_slice(x, y, i)
for i in range(num_pios):
add_pio(x, y, i)
# Import a location, deduplicating if appropriate
def import_location(rg, x, y):
rtile = rg.tiles[pytrellis.Location(x, y)]
arcs = [] # (src, dst, configurable, tiletype)
wires = [] # (name, uphill, downhill, belpin_uphill, belpins_downhill)
bels = [] # (name, [(pin, wire)])
for name in loc_wires[x, y]:
w = rtile.wires[rg.ident(name)]
arcs_uphill = []
arcs_downhill = []
belpins_uphill = []
belpins_downhill = []
for uh in w.uphill:
arcidx = loc_arc_indices[uh.loc.x, uh.loc.y][uh.id]
arcs_uphill.append((uh.loc.x - x, uh.loc.y - y, arcidx))
for dh in w.downhill:
arcidx = loc_arc_indices[dh.loc.x, dh.loc.y][dh.id]
arcs_downhill.append((dh.loc.x - x, dh.loc.y - y, arcidx))
for bp in wire_bel_pins_uphill[x, y][loc_wire_indices[x, y][name]]:
bel, pin = bp
bel_x, bel_y, bel_idx = bel
belpins_uphill.append(((bel_x - x, bel_y - y, bel_idx), pin))
for bp in wire_bel_pins_downhill[x, y][loc_wire_indices[x, y][name]]:
bel, pin = bp
bel_x, bel_y, bel_idx = bel
belpins_downhill.append(((bel_x - x, bel_y - y, bel_idx), pin))
assert len(belpins_uphill) <= 1
wires.append((name, tuple(arcs_downhill), tuple(arcs_uphill), tuple(belpins_uphill), tuple(belpins_downhill)))
for bel in loc_bels[x, y]:
name, beltype, pins = bel
xformed_pins = tuple((p[0], (p[1][0] - x, p[1][1] - y, p[1][2])) for p in pins)
bels.append((name, beltype, xformed_pins))
for arcidx in loc_arcs[x, y]:
a = rtile.arcs[arcidx]
source_wire = resolve_wirename(rg, a.source, x, y)
dest_wire = resolve_wirename(rg, a.sink, x, y)
arcs.append((source_wire, dest_wire, a.configurable, get_tiletype_index(rg.to_str(a.tiletype))))
tile_data = (tuple(wires), tuple(arcs), tuple(bels))
if tile_data in location_types:
type_at_location[x, y] = location_types[tile_data]
else:
idx = len(location_types)
location_types[tile_data] = idx
type_at_location[x, y] = idx
class BinaryBlobAssembler:
def __init__(self, cname, endianness, nodebug=False):
assert endianness in ["le", "be"]
self.cname = cname
self.endianness = endianness
self.finalized = False
self.data = bytearray()
self.comments = dict()
self.labels = dict()
self.exports = set()
self.labels_byaddr = dict()
self.ltypes_byaddr = dict()
self.strings = dict()
self.refs = dict()
self.nodebug = nodebug
def l(self, name, ltype=None, export=False):
assert not self.finalized
assert name not in self.labels
assert len(self.data) not in self.labels_byaddr
self.labels[name] = len(self.data)
if ltype is not None:
self.ltypes_byaddr[len(self.data)] = ltype
self.labels_byaddr[len(self.data)] = name
if export:
assert ltype is not None
self.exports.add(len(self.data))
def r(self, name, comment):
assert not self.finalized
assert len(self.data) % 4 == 0
assert len(self.data) not in self.refs
if self.nodebug:
comment = None
if name is not None:
self.refs[len(self.data)] = (name, comment)
self.data.append(0)
self.data.append(0)
self.data.append(0)
self.data.append(0)
if (name is None) and (comment is not None):
self.comments[len(self.data)] = comment + " (null reference)"
def s(self, s, comment):
assert not self.finalized
if self.nodebug:
comment = None
if s not in self.strings:
index = len(self.strings)
self.strings[s] = index
else:
index = self.strings[s]
if comment is not None:
self.r("str%d" % index, '%s: "%s"' % (comment, s))
else:
self.r("str%d" % index, None)
def u8(self, v, comment):
assert not self.finalized
if self.nodebug:
comment = None
self.data.append(v)
if comment is not None:
self.comments[len(self.data)] = comment
def u16(self, v, comment):
assert not self.finalized
assert len(self.data) % 2 == 0
if self.nodebug:
comment = None
if self.endianness == "le":
self.data.append(v & 255)
self.data.append((v >> 8) & 255)
elif self.endianness == "be":
self.data.append((v >> 8) & 255)
self.data.append(v & 255)
else:
assert 0
if comment is not None:
self.comments[len(self.data)] = comment
def s16(self, v, comment):
assert not self.finalized
assert len(self.data) % 2 == 0
if self.nodebug:
comment = None
c2val = (((-v) ^ 0xffff) + 1) if v < 0 else v
if self.endianness == "le":
self.data.append(c2val & 255)
self.data.append((c2val >> 8) & 255)
elif self.endianness == "be":
self.data.append((c2val >> 8) & 255)
self.data.append(c2val & 255)
else:
assert 0
if comment is not None:
self.comments[len(self.data)] = comment
def u32(self, v, comment):
assert not self.finalized
assert len(self.data) % 4 == 0
if self.nodebug:
comment = None
if self.endianness == "le":
self.data.append(v & 255)
self.data.append((v >> 8) & 255)
self.data.append((v >> 16) & 255)
self.data.append((v >> 24) & 255)
elif self.endianness == "be":
self.data.append((v >> 24) & 255)
self.data.append((v >> 16) & 255)
self.data.append((v >> 8) & 255)
self.data.append(v & 255)
else:
assert 0
if comment is not None:
self.comments[len(self.data)] = comment
def finalize(self):
assert not self.finalized
for s, index in sorted(self.strings.items()):
self.l("str%d" % index, "char")
for c in s:
self.data.append(ord(c))
self.data.append(0)
self.finalized = True
cursor = 0
while cursor < len(self.data):
if cursor in self.refs:
v = self.labels[self.refs[cursor][0]] - cursor
if self.endianness == "le":
self.data[cursor + 0] = (v & 255)
self.data[cursor + 1] = ((v >> 8) & 255)
self.data[cursor + 2] = ((v >> 16) & 255)
self.data[cursor + 3] = ((v >> 24) & 255)
elif self.endianness == "be":
self.data[cursor + 0] = ((v >> 24) & 255)
self.data[cursor + 1] = ((v >> 16) & 255)
self.data[cursor + 2] = ((v >> 8) & 255)
self.data[cursor + 3] = (v & 255)
else:
assert 0
cursor += 4
else:
cursor += 1
def write_verbose_c(self, f, ctype="const unsigned char"):
assert self.finalized
print("%s %s[%d] = {" % (ctype, self.cname, len(self.data)), file=f)
cursor = 0
bytecnt = 0
while cursor < len(self.data):
if cursor in self.comments:
if bytecnt == 0:
print(" ", end="", file=f)
print(" // %s" % self.comments[cursor], file=f)
bytecnt = 0
if cursor in self.labels_byaddr:
if bytecnt != 0:
print(file=f)
if cursor in self.exports:
print("#define %s ((%s*)(%s+%d))" % (
self.labels_byaddr[cursor], self.ltypes_byaddr[cursor], self.cname, cursor), file=f)
else:
print(" // [%d] %s" % (cursor, self.labels_byaddr[cursor]), file=f)
bytecnt = 0
if cursor in self.refs:
if bytecnt != 0:
print(file=f)
print(" ", end="", file=f)
print(" %-4s" % ("%d," % self.data[cursor + 0]), end="", file=f)
print(" %-4s" % ("%d," % self.data[cursor + 1]), end="", file=f)
print(" %-4s" % ("%d," % self.data[cursor + 2]), end="", file=f)
print(" %-4s" % ("%d," % self.data[cursor + 3]), end="", file=f)
print(" // [%d] %s (reference to %s)" % (cursor, self.refs[cursor][1], self.refs[cursor][0]), file=f)
bytecnt = 0
cursor += 4
else:
if bytecnt == 0:
print(" ", end="", file=f)
print(" %-4s" % ("%d," % self.data[cursor]), end=("" if bytecnt < 15 else "\n"), file=f)
bytecnt = (bytecnt + 1) & 15
cursor += 1
if bytecnt != 0:
print(file=f)
print("};", file=f)
def write_compact_c(self, f, ctype="const unsigned char"):
assert self.finalized
print("%s %s[%d] = {" % (ctype, self.cname, len(self.data)), file=f)
column = 0
for v in self.data:
if column == 0:
print(" ", end="", file=f)
column += 2
s = "%d," % v
print(s, end="", file=f)
column += len(s)
if column > 75:
print(file=f)
column = 0
if column != 0:
print(file=f)
for cursor in self.exports:
print("#define %s ((%s*)(%s+%d))" % (
self.labels_byaddr[cursor], self.ltypes_byaddr[cursor], self.cname, cursor), file=f)
print("};", file=f)
def write_uint64_c(self, f, ctype="const uint64_t"):
assert self.finalized
print("%s %s[%d] = {" % (ctype, self.cname, (len(self.data) + 7) // 8), file=f)
column = 0
for i in range((len(self.data) + 7) // 8):
v0 = self.data[8 * i + 0] if 8 * i + 0 < len(self.data) else 0
v1 = self.data[8 * i + 1] if 8 * i + 1 < len(self.data) else 0
v2 = self.data[8 * i + 2] if 8 * i + 2 < len(self.data) else 0
v3 = self.data[8 * i + 3] if 8 * i + 3 < len(self.data) else 0
v4 = self.data[8 * i + 4] if 8 * i + 4 < len(self.data) else 0
v5 = self.data[8 * i + 5] if 8 * i + 5 < len(self.data) else 0
v6 = self.data[8 * i + 6] if 8 * i + 6 < len(self.data) else 0
v7 = self.data[8 * i + 7] if 8 * i + 7 < len(self.data) else 0
if self.endianness == "le":
v = v0 << 0
v |= v1 << 8
v |= v2 << 16
v |= v3 << 24
v |= v4 << 32
v |= v5 << 40
v |= v6 << 48
v |= v7 << 56
elif self.endianness == "be":
v = v7 << 0
v |= v6 << 8
v |= v5 << 16
v |= v4 << 24
v |= v3 << 32
v |= v2 << 40
v |= v1 << 48
v |= v0 << 56
else:
assert 0
if column == 3:
print(" 0x%016x," % v, file=f)
column = 0
else:
if column == 0:
print(" ", end="", file=f)
print(" 0x%016x," % v, end="", file=f)
column += 1
if column != 0:
print("", file=f)
print("};", file=f)
def write_string_c(self, f, ctype="const char"):
assert self.finalized
assert self.data[len(self.data) - 1] == 0
print("%s %s[%d] =" % (ctype, self.cname, len(self.data)), file=f)
print(" \"", end="", file=f)
column = 0
for i in range(len(self.data) - 1):
if (self.data[i] < 32) or (self.data[i] > 126):
print("\\%03o" % self.data[i], end="", file=f)
column += 4
elif self.data[i] == ord('"') or self.data[i] == ord('\\'):
print("\\" + chr(self.data[i]), end="", file=f)
column += 2
else:
print(chr(self.data[i]), end="", file=f)
column += 1
if column > 70 and (i != len(self.data) - 2):
print("\"\n \"", end="", file=f)
column = 0
print("\";", file=f)
def write_binary(self, f):
assert self.finalized
assert self.data[len(self.data) - 1] == 0
f.buffer.write(self.data)
bel_types = {
"NONE": 0,
"SLICE": 1,
"PIO": 2
}
def write_database(dev_name, endianness):
def write_loc(x, y, sym_name):
bba.s16(x, "%s.x" % sym_name)
bba.s16(y, "%s.y" % sym_name)
bba = BinaryBlobAssembler("chipdb_blob_%s" % dev_name, endianness)
bba.r("chip_info", "chip_info")
for loctype, idx in sorted(location_types.items(), key=lambda x: x[1]):
wires, arcs, bels = loctype
if len(arcs) > 0:
bba.l("loc%d_pips" % idx, "PipInfoPOD")
for arc in arcs:
src_wire, dst_wire, configurable, tile_type = arc
write_loc(src_wire[0], src_wire[1], "src")
write_loc(dst_wire[0], dst_wire[1], "dst")
bba.u32(src_wire[2], "src_idx")
bba.u32(dst_wire[2], "dst_idx")
bba.u32(1, "delay") # TODO:delay
bba.u16(tile_type, "tile_type")
bba.u8(1 if not configurable else 0, "pip_type")
bba.u8(0, "padding")
if len(wires) > 0:
for wire_idx in range(len(wires)):
wire = wires[wire_idx]
name, downpips, uppips, downbels, upbels = wire
if len(downpips) > 0:
bba.l("loc%d_wire%d_downpips" % (idx, wire_idx), "PipLocatorPOD")
for dp in downpips:
write_loc(dp[0], dp[1], "rel_loc")
bba.u32(dp[2], "index")
if len(uppips) > 0:
bba.l("loc%d_wire%d_uppips" % (idx, wire_idx), "PipLocatorPOD")
for up in uppips:
write_loc(up[0], up[1], "rel_loc")
bba.u32(up[2], "index")
if len(downbels) > 0:
bba.l("loc%d_wire%d_downbels" % (idx, wire_idx), "BelPortPOD")
for db in downbels:
bel, pin = db
write_loc(bel[0], bel[1], "rel_bel_loc")
bba.u32(bel[2], "bel_index")
bba.u32(pin, "port")
bba.l("loc%d_wires" % idx, "WireInfoPOD")
for wire_idx in range(len(wires)):
wire = wires[wire_idx]
name, downpips, uppips, downbels, upbels = wire
bba.s(name, "name")
bba.u32(len(uppips), "num_uphill")
bba.u32(len(downpips), "num_downhill")
bba.r("loc%d_wire%d_uppips" % (idx, wire_idx) if len(uppips) > 0 else None, "pips_uphill")
bba.r("loc%d_wire%d_downpips" % (idx, wire_idx) if len(downpips) > 0 else None, "pips_downhill")
bba.u32(len(downbels), "num_bels_downhill")
if len(upbels) == 1:
bel, pin = upbels[0]
write_loc(bel[0], bel[1], "uphill_bel_loc")
bba.u32(bel[2], "uphill_bel_idx")
bba.u32(pin, "uphill_bel_pin")
else:
write_loc(-1, -1, "bel_uphill.rel_bel_loc")
bba.u32(0xFFFFFFFF, "bel_uphill.bel_index")
bba.u32(0, "bel_uphill.port")
bba.r("loc%d_wire%d_downbels" % (idx, wire_idx) if len(downbels) > 0 else None, "bels_downhill")
if len(bels) > 0:
for bel_idx in range(len(bels)):
bel, beltype, pins = bels[bel_idx]
bba.l("loc%d_bel%d_wires" % (idx, bel_idx), "BelPortPOD")
for pin in pins:
port, wire = pin
write_loc(wire[0], wire[1], "rel_wire_loc")
bba.u32(wire[2], "wire_index")
bba.u32(port, "port")
bba.l("loc%d_bels" % idx, "BelInfoPOD")
for bel_idx in range(len(bels)):
bel, beltype, pins = bels[bel_idx]
bba.s(bel, "name")
bba.u32(bel_types[beltype], "type")
bba.u32(len(pins), "num_bel_wires")
bba.r("loc%d_bel%d_wires" % (idx, bel_idx), "bel_wires")
bba.l("locations", "LocationTypePOD")
for loctype, idx in sorted(location_types.items(), key=lambda x: x[1]):
wires, arcs, bels = loctype
bba.u32(len(bels), "num_bels")
bba.u32(len(wires), "num_wires")
bba.u32(len(arcs), "num_pips")
bba.r("loc%d_bels" % idx if len(bels) > 0 else None, "bel_data")
bba.r("loc%d_wires" % idx if len(wires) > 0 else None, "wire_data")
bba.r("loc%d_pips" % idx if len(arcs) > 0 else None, "pips_data")
bba.l("location_types", "int32_t")
for y in range(0, max_row+1):
for x in range(0, max_col+1):
bba.u32(type_at_location[x, y], "loctype")
bba.l("tiletype_names", "RelPtr<char>")
for tt in tiletype_names:
bba.s(tt, "name")
bba.l("chip_info")
bba.u32(max_col + 1, "width")
bba.u32(max_row + 1, "height")
bba.u32((max_col + 1) * (max_row + 1), "num_tiles")
bba.u32(len(location_types), "num_location_types")
bba.r("locations", "locations")
bba.r("location_types", "location_type")
bba.r("tiletype_names", "tiletype_names")
bba.finalize()
return bba
dev_names = {"25k": "LFE5U-25F", "45k": "LFE5U-45F", "85k": "LFE5U-85F"}
def main():
global max_row, max_col
pytrellis.load_database(database.get_db_root())
args = parser.parse_args()
# Read port pin file
with open(args.portspins) as f:
for line in f:
line = line.replace("(", " ")
line = line.replace(")", " ")
line = line.split()
if len(line) == 0:
continue
assert len(line) == 2
assert line[0] == "X"
idx = len(portpins) + 1
portpins[line[1]] = idx
print("Initialising chip...")
chip = pytrellis.Chip(dev_names[args.device])
print("Building routing graph...")
rg = chip.get_routing_graph()
max_row = chip.get_max_row()
max_col = chip.get_max_col()
print("Indexing wires...")
for y in range(0, max_row + 1):
for x in range(0, max_col + 1):
import_location_wires(rg, x, y)
print("Indexing arcs...")
for y in range(0, max_row + 1):
for x in range(0, max_col + 1):
index_location_arcs(rg, x, y)
print("Adding bels...")
for y in range(0, max_row + 1):
for x in range(0, max_col + 1):
add_bels(chip, x, y)
print("Importing tiles...")
for y in range(0, max_row + 1):
for x in range(0, max_col + 1):
print(" At R{}C{}".format(y, x))
import_location(rg, x, y)
print("{} unique location types".format(len(location_types)))
bba = write_database(args.device, "le")
if args.c_file:
print('#include "nextpnr.h"', file=args.outfile)
print('NEXTPNR_NAMESPACE_BEGIN', file=args.outfile)
if args.binary:
bba.write_binary(args.outfile)
if args.c_file:
bba.write_string_c(args.outfile)
if args.c_file:
print('NEXTPNR_NAMESPACE_END', file=args.outfile)
if __name__ == "__main__":
main()